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3 years ago

When triangle ABC is rotated about side AB, what figure is formed?

Mathematics

2 answers:

Pani-rosa [81]3 years ago

5 0

If it is rotated along AB it would be a cone

Mumz [18]3 years ago

5 0

Answer:

Cone

Step-by-step explanation:

We are given that a triangle ABC .

We have to find that what shape is formed when a triangle ABC is rotated about side AB.

A given triangle ABC is a right triangle.

When we rotate the figure about side AB then the figure will be cone .The side AB will be height of cone and side AC will be radius of cone.

Hence, when a triangle ABC is rotated about side AB, the cone is formed.

Answer: Cone

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What is the volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft?

Natasha_Volkova [10]

Answer:

The volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft is:

5889.95 ft³

Step-by-step explanation:

We are given a base diameter of a right circular cylinder as :

d = 17.5 ft.

hence radius of cylinder i.e. r =d/2 = 8.75 ft.

height of the cylinder = 24.5 ft.

now we know that volume of cylinder i.e. V is given by :

V = πr²h

putting the value of r and h in the given formula to obtain the volume

V = 3.14×(8.75)²×24.5

= 5889.95 ft³

hence, the volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft is:

5889.95 ft³

3 0

3 years ago

Read 2 more answers

4 times a number increased by 7 . Explain your answer if you can

Romashka-Z-Leto [24]

Step-by-step explanation:

4 times = 4x increased by 7 = 4x+7

$4x + 7$

7 0

3 years ago

a store is having a sale on chocolate chips and walnuts. for 9 pounds of chocolate chips and 7 pounds of walnuts, the total cost

Ratling [72]

Answer:

The cost for each pound of chocolate chips is $2.75 and the cost for each pound of walnuts is $3.75.

Step-by-step explanation:

9x+7y=51

3x+5y=27

----------------

9x+7y=51

-3(3x+5y)=-3(27)

-------------------------

9x+7y=51

-9x-15y=-81

-------------------

-8y=-30

8y=30

y=30/8

simplify,

y=15/4

9x+7(15/4)=51

9x+105/4=51

9x=51-105/4

9x=(204-105)/4

9x=99/4

x=(99/4)/9

x=(99/4)(1/9)=99/36

simplify

x=2.75

So the cost for each pound of chocolate chips is $2.75 and the cost for each pound of walnuts is $3.75.

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3 years ago

Which answer is the correct answer above?

Anna11 [10]

The answer is 24km..

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3 years ago

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The height of a tree was 12 feet. after a year, the tree's height increased 25%. what is the height of the tree after a year

g100num [7]

15ft because 12x.25=3 so 3ft is 25% of the 12ft, add the 3+12=15

6 0

3 years ago